Sefar filter belt solutions for Vacuum Belt Filters
Choose Sefar as your trusted source for filtration. We are ready and capable to meet your needs. Understanding the filtration process is one key requirement for filter solution development. This is a Sefar core competence. We have spent decades developing filter media made from synthetic yarns. Sefar’s innovative synthetic fabrics are the material of choice for horizontal vacuum belt filters. Sefar filter belt solution offer excellent separation efficiency and a long, trouble-free lifetime.
Fitting belts to the specific filter equipment is essential for smooth and efficient filtration performance.
The market-leading expertise of Sefar helps to define the most suitable filter media and fabrication method for your application. With Sefar's unique belt design you can count on a consistent performance.
Top view of belt filter
Vacuum belt filter in operation
Many application areas – one solution provider
The wide range of products processed on horizontal vacuum filters requires a large selection of filter media to enhance the specific process. Subsidiaries in 26 countries provide local technical service for the broad range of solutions supplied to the various industries and equipment.
Sefar filter solutions for OEM
Our products meet the specific needs of these filtration applications and are successfully running all over the world on all known vacuum filter brands and OEMs, such as:
Hitachi Zosen INVOA
Sefar filter belts are made from carefully selected polymers such as PP, PET, PVDF and PEEK. The right choice of polymer helps to ensure the appropriate chemical resistance for each specific filter belt application.
Belts from Sefar are designed to maintain their performance during their entire life and ensure troublefree operation. The appropriate selection of material is crucial to ensure performance under high temperatures.
Sefar belts are designed to cope with heavy loads, quick rotating and extra large rotary drum filter units. Sefar fabrics are specially optimized for high strength, the best tracking stability and the longest possible belt life.
The offered pore size selection ranges from 5 µm to over 150 µm for the processing of various suspensions. Depending on the slurry properties, Sefar offers a suitable filter solution to meet your requirements concerning particle retention and filtrate clarity.
Drum filter belts from Sefar have a maximized number of pores and optimized permeability to guarantee the expected throughput. Special needs concerning cake dryness or high filtration efficiency can be met by using the latest Sefar filter media developments.
Sefar offers innovative, proven and reliable closure systems for the entire belt range – from particle tight to chemical resistant. No additional installation equipment is necessary using Sefar filter belts. A trouble free and quick installation is guaranteed.
Filter media technology
Sefar double-layer weave technology is the unique filter media construction combining two different fabric layers mechanically through weaving. In comparison to a single-layer fabric, belts made from SEFAR TETEX DLW deliver outstanding filtration results: high vertical and lateral liquid flow properties, excellent resistance against creasing and mechanical stress. Best filtration results and enhanced lifetime is achieved by combining the functions of a fine filtration layer and a support drainage layer.
Largest selection of polymers
Largest selection of pore sizes
High throughput and stable production rate
Excellent cake washing and filtrate clarity
Excellent cake discharge